Gasoline Specifications; California Fuel; Additives- Page 328

2007 Buick Lucerne User Manual

Model Year
2014 Dodge Charger SRT Owner Manual

Table of Contents

Seats and Restraint Systems
Features and Controls
Instrument Panel
Service and Appearance Care
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Gasoline Specifications

At a minimum, gasoline should meet ASTM
specification D 4814 in the United States or
CAN/CGSB-3.5 in Canada. Some gasolines may
contain an octane-enhancing additive called
methylcyclopentadienyl manganese tricarbonyl
(MMT). General Motors recommends against the
use of gasolines containing MMT. See

Additives

on page 328

for additional information.

California Fuel

If your vehicle is certified to meet California
Emissions Standards, it is designed to operate on
fuels that meet California specifications. See
the underhood emission control label. If this fuel is
not available in states adopting California
emissions standards, your vehicle will operate
satisfactorily on fuels meeting federal
specifications, but emission control system
performance may be affected. The malfunction
indicator lamp may turn on and your vehicle may
fail a smog-check test. See

Malfunction Indicator

Lamp on page 206

. If this occurs, return to

your authorized GM dealer for diagnosis.

If it is determined that the condition is caused by
the type of fuel used, repairs may not be
covered by your warranty.

Additives

To provide cleaner air, all gasolines in the United
States are now required to contain additives
that will help prevent engine and fuel system
deposits from forming, allowing your emission
control system to work properly. In most cases,
you should not have to add anything to your fuel.
However, some gasolines contain only the
minimum amount of additive required to meet
U.S. Environmental Protection Agency regulations.
To help keep fuel injectors and intake valves
clean, or if your vehicle experiences problems due
to dirty injectors or valves, look for gasoline that
is advertised as TOP TIER Detergent Gasoline.
Also, your dealer has additives that will help
correct and prevent most deposit-related problems.

328

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  • 3.5 in Canada.

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